Ummm perhaps you should read U.S vs Microsoft by Joel Brinkley and Steve Lohr. It might enlighten you to the way M$ really works. I live in the USA, and I'm 100% for capitalism, don't get me wrong, but I'm also 100% against monopolies.
Some people that have definately contributed to the computing world would include :
Brian Behlendorf
http://en.wikipedia.org/wiki/Brian_Behlendorf
He was a primary developer of the Apache Web server
Marshall Kirk McKusick
http://en.wikipedia.org/wiki/Marshall_Kirk_McKusick
famous for his extensive work on BSD
Bruce Perens
http://en.wikipedia.org/wiki/Bruce_Perens
Bruce Perens is a prominent figure in the open source movement and to some extent in the free software movement.
Eric Steven Raymond
http://en.wikipedia.org/wiki/Eric_Raymond
he became a leading figure in the open source movement, and is today one of its most famous (and controversial) characters.
Richard Matthew Stallman, a.k.a. RMS
http://en.wikipedia.org/wiki/Richard_Stallman
s the founder of the free software movement, the GNU project, and the Free Software Foundation. He is also a renowned hacker, whose major accomplishments include GNU Emacs, the GNU C Compiler, and the GNU Debugger. He is also the author of the GNU General Public License (GNU GPL or GPL), the most widely-used free software license, which pioneered the concept of the copyleft.
Larry Wall
http://en.wikipedia.org/wiki/Larry_Wall
programmer, linguist, author, is most widely known for his creation of the Perl programming language in 1987.
Guido van Rossum
http://en.wikipedia.org/wiki/Guido_van_Rossum
is a computer programmer who is best-known as the author of the Python programming language.
John Ousterhout
http://en.wikipedia.org/wiki/John_Ousterhout
is the original force behind the scripting programming language Tcl and the platform-independent GUI toolkit Tk, which he developed when he was professor at the University of California, Berkeley.
Ken Thompson and Dennis Ritchie
http://en.wikipedia.org/wiki/Ken_Thompson
In 1969, while at Bell Labs, Thompson and Dennis Ritchie were the principal creators of the Unix operating system. Thompson also wrote the B programming language, a precursor to Dennis Ritchie's C programming language, currently one of the world's most commonly used programming languages.
James Gosling
http://en.wikipedia.org/wiki/James_Gosling
He is generally credited as the inventor of the Java programming language in 1994. He did the original design of Java and implemented its original compiler and virtual machine. For this achievement he was elected to the United States National Academy of Engineering.
Steve Bourne
http://en.wikipedia.org/wiki/Stephen_Bourne
is a computer scientist, most famous as the author of the Bourne shell (sh), which remains the standard command line interface to Unix.
The list goes on and on and on ...................